Jonah Hill Joining Channing Tatum, George Clooney in Coen Brothers' 'Hail, Caesar!'

Josh Brolin, Ralph Fiennes and Tilda Swinton will also star in the comedy, with Scarlett Johansson in early talks to join the production as well.

Jonah Hill is in negotiations to join the all-star cast of Hail, Caesar!, the Hollywood-set period comedy being made by Joel and Ethan Coen, The Hollywood Reporter has confirmed.

Caesar tells the comedic tale of Eddie Mannix, a fixer who worked for the Hollywood studios in the 1950s, and has a roll call that includes George Clooney, Josh Brolin, Channing Tatum, Ralph Fiennes and Tilda Swinton.

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Scarlett Johansson is in early talks to join the production as well.

The Coens are producing under their Mike Zoss Productions banner alongside Working Title Films' Eric Fellner and Tim Bevan. Universal is distributing the movie.